| 单词 | positional punch |
| 释义 | positional punch [pǝ`zish·ǝn·ǝl `pǝnch] COMPUTER SCIENCE The row position of a punched hole in a specific column of a punch card; in an 80-column punch card the rows are designated 0 to 9, or x and y; in a 90-column card the rows are designated 0, 1, 3, 5, 7, and 9. |
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